There is no guarantee that he will play at any of them. It's just a guideline.
Date
Tournament
Type
Surface
Draw
History
2013-02-04
VTR Open Chile,Viña del Mar, Chile
250
Clay
28
Never played before.
2013-02-11
Brasil Open 2013, São Paulo, Brazil
250
Indoor Clay
28
Never played before.
2013-02-25
Abierto Mexicano Telcel, Acapulco, Mexico
500
Clay
32
Has not played since 2005.
2013-03-04
BNP Paribas Open Indian Wells, CA, USA
TMS
Hard
96
Champion in 2007 and 2009. Lost to Roger Federer in the semi final in 2012.
2013-03-18
Sony Ericsson Open Miami, FL, USA
TMS
Hard
96
Withdrew before the semi final in 2012.
2013-04-13
Monte Carlo Rolex Masters
TMS
Clay
56
Won in 2005, 2006, 2007, 2008, 2009, 2010, 2011 and 2012.
2013-04-20
Open Sabadell Atlántico, Barcelona, Spain
500
Clay
56
Won in 2005, 2006, 2007, 2008, 2009, 2011 and 2012.
2013-05-03
Mutua Madrileña Madrid Open, Madrid, Spain
TMS
Clay
56
Champion in 2010. Lost to Fernando Verdasco in the round of 16 in 2012.
2013-05-11
Internazionali BNL d'Italia, Rome, Italy
TMS
Clay
56
Champion in 2005, 2006 , 2007, 2009, 2010 and 2012.
2013-05-26
Roland Garros, France
GS
Clay
128
Won in 2005, 2006, 2007, 2008, 2010, 2011 and 2012.
2013-06-08
Gerry Weber Open, Halle, Germany
250
Grass
32
Lost in the quarter final in 2012.
2013-06-24
Wimbledon, Great Britain
GS
Grass
128
Champion in 2008 and 2010. Lost to Lukas Rosol in the second round in 2012.
2013-08-05
Rogers Cup Toronto, Canada
TMS
Hard
56
Did not play in 2012.
2013-08-11
Western & Southern Financial Group Masters, Cincinnati, USA
TMS
Hard
56
Did not play in 2012.
2013-08-26
US Open, Flushing Meadows, New York , NY, USA
GS
Hard
128
Champion in 2010. Did not play in 2012.
2013-10-07
Shanghai ATP Masters 1000
TMS
Outdoor Hard
56
Did not play in 2012.
2013-10-28
BNP Paribas Masters, Paris, France
TMS
Indoor Hard
48
Did not play in 2011.
2013-11-04
Barclays ATP World Tour Finals, London
TMC
Indoor Hard
8
Did not play in 2012.
Key:
250 ATP World Tour 250
500 ATP World Tour 500
GS Grand Slam
TMS ATP World Tour Masters 1000
WTF ATP World Tour Finals
DC Davis Cup
250 ATP World Tour 250
500 ATP World Tour 500
GS Grand Slam
TMS ATP World Tour Masters 1000
WTF ATP World Tour Finals
DC Davis Cup